Types of abstracts. There are two types of abstracts: descriptive and informative. They have different aims, so as a consequence they have different components and styles. There is also a third type called critical, but it is rarely used.
Samsung Galaxy Note 7 smartphone has been banned from all aircraft in the United States. The US Transportation Department and other agencies have banned passengers from carrying on the devices or putting them inside checked baggage during flights.
USPS Banning International Shipments of Most Battery-Powered Gadgets May 16. The U.S. Postal Service will refuse to ship devices containing lithium-ion batteries, such as cell phones, laptops, or e-readers to overseas addresses as of May 16, the USPS said.